Sci-fi

The setting is a planet named Slars, where the indigenous Slarsians and alien Earthians coexist uneasily. Shinta descends from both races, and is thus shunned by either side, but becomes involved in the conflict around "Regalia" that holds a mysterious power.

The manga's story begins when a peasant named Hanbē asks a girl named O-haru for her hand in marriage, but O-haru confesses that she is already thinking of another man named Masakichi from a neighboring village. When Hanbē seeks out Masakichi, he finds that Masakichi possesses a sword and the skills to use it, despite being a peasant.

The earth is strange. Everyone thought so. Disasters that are intensifying year after year. Heat waves, heavy rains, large typhoons ....Researcher, Yutaka Tsukimura promotes geoengineering to stop global warming. On the other hand, his twins, Ryo and Iko, were supposed to live a normal life with her pregnangt mother Yuko.Antarctic earthquake and rising sea levels... This is the story of two twins fighting against a collapsing earth.

A group of high-school students had an accident on their way to a trip and died but they find themselves in a classroom with a black sphere.